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CN-224217021-U - Control circuit for coffee machine

CN224217021UCN 224217021 UCN224217021 UCN 224217021UCN-224217021-U

Abstract

The utility model discloses a control circuit for a coffee machine, which comprises a main control circuit, a first interface circuit, a second interface circuit, a first temperature control circuit, a second temperature control circuit, a coffee boiling circuit, an electromagnetic valve circuit, a water pumping circuit, a buzzer circuit, a status lamp display circuit and a three-color lamp circuit, wherein the main control circuit comprises a control chip IC1, an inductor L1, a patch capacitor EC1, a resistor R2, a resistor R3, a resistor R4, a capacitor CX1, a resistor VR1, a resistor RW1, a capacitor C1, a resistor R33, a resistor R34, a patch capacitor EC2, a resistor R5 and an inductor L2, the first interface circuit comprises an interface CN1 and a resistor R7, and the first temperature control circuit and the second temperature control circuit are mutually matched to detect and adjust the coffee temperature, so that the phenomenon that errors exist between prepared coffee and required coffee temperature is avoided, and the requirement of people for drinking accurate temperature coffee is met.

Inventors

  • HU LEILEI
  • HU DONG

Assignees

  • 宁波市舜力衡电子有限公司

Dates

Publication Date
20260508
Application Date
20250725

Claims (7)

  1. 1. The utility model provides a control circuit for coffee machine, includes master control circuit, first interface circuit, second interface circuit, first temperature control circuit, second temperature control circuit, coffee boiling circuit, solenoid valve circuit, pumping circuit, buzzer circuit, status light display circuit and trichromatic lamp circuit, its characterized in that: the main control circuit comprises a control chip IC1, an inductor L1, a patch capacitor EC1, a resistor R2, a resistor R3, a resistor R4, a capacitor CX1, a resistor VR1, a resistor RW1, a capacitor C1, a resistor R33, a resistor R34, a patch capacitor EC2, a resistor R5 and an inductor L2, the first interface circuit comprises an interface CN1, a resistor R7 and a resistor R15, the second interface circuit comprises an interface CN2, a resistor R12, a capacitor C2 and a resistor R16, the first temperature control circuit comprises an interface CN3 and a resistor R18, the second temperature control circuit comprises an interface CN4 and a resistor R19, the coffee boiling circuit comprises a triode Q1, a resistor R10, a resistor R23, a resistor R21, a resistor R8 and a transistor TR1, the electromagnetic valve circuit comprises a transistor TR3, a resistor R25 and a resistor R27, the pumping circuit comprises a transistor TR4, a resistor R26 and a resistor R28, the buzzer circuit comprises a buzzer BUZ and a capacitor C7, the status lamp display circuit comprises a light emitting diode LED1, a light emitting diode LED2, a light emitting diode LED3, a light emitting diode LED4, a light emitting diode LED5, a light emitting diode LED6, a light emitting diode LED7, a light emitting diode LED8, a light emitting diode LED9, a light emitting diode LED10, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9 and a resistor R10, and the three-color lamp circuit comprises a resistor R11, a resistor R12, resistor R13 and light emitting diode LED-RGB.
  2. 2. The control circuit for the coffee machine according to claim 1, wherein the 7-terminal pin of the control chip IC1 is connected with one end of the inductor L1, the 6-terminal pin of the control chip IC1 and the other end of the inductor L1 are connected with one end of the chip capacitor EC1, the other end of the chip capacitor EC1 is connected with one end of the resistor R2, one end of the capacitor CX1 and one end of the resistor VR1, the other end of the resistor R2 is connected with one end of the resistor R1, the other end of the resistor VR1, one end of the resistor RW1, one end of the 1-terminal pin of the control chip IC1 and one end of the resistor R3, the other end of the resistor R3 is connected with one end of the resistor R4, the 3-terminal pin of the control chip IC1 is connected with one end of the capacitor C1, the other end of the capacitor C1 is connected with one end of the 2-terminal pin of the control chip IC1, one end of the inductor L2 and one end of the resistor R33, the other end of the resistor R33 is connected with one end of the resistor R34 and one end of the other end of the chip IC1, the other end of the resistor R2 is connected with one end of the resistor C2 and the other end of the chip IC 5, and the other end of the resistor C2 is connected with one end of the resistor C2 and the other end of the chip IC 5 is connected with one end of the resistor C2 and the other end of the resistor C2.
  3. 3. The control circuit for a coffee machine according to claim 1, wherein the 1 terminal pin of the interface CN1 is respectively connected with one end of the resistor R7 and one end of the resistor R15, the 2 terminal pin of the interface CN1 is grounded, the 1 terminal pin of the interface CN2 is respectively connected with one end of the resistor R12, one end of the capacitor C2 and one end of the resistor R16, the 2 terminal pin of the interface CN2 and the other end of the capacitor C2 are grounded, the 3 terminal pin of the interface CM3 is connected with one end of the resistor R18, the 2 terminal pin of the interface CN3 is grounded, the 3 terminal pin of the interface CM4 is connected with one end of the resistor R19, and the 2 terminal pin of the interface CN4 is grounded.
  4. 4. The control circuit for a coffee machine according to claim 1, wherein the 1 terminal pin of the triode Q1 is connected with one end of a resistor R10 and one end of a resistor R23 respectively, the 3 terminal pin of the triode Q1 is connected with one end of a resistor R21, the other end of the resistor R21 is connected with one end of a resistor R8 and the 3 terminal pin of a transistor TR1 respectively, the other end of the resistor R8 is connected with the 1 terminal pin of the transistor TR1, and the 2 terminal pin of the triode Q1 and the other end of the resistor R10 are grounded.
  5. 5. A control circuit for a coffee machine according to claim 1, wherein the 1 terminal of the transistor TR3 is connected to one end of the resistor R25, the 2 terminal of the transistor TR3 and the other end of the resistor R25 are both connected to one end of the resistor R27, the 1 terminal of the transistor TR4 is connected to one end of the resistor R26, the 2 terminal of the transistor TR4 and the other end of the resistor R26 are both connected to one end of the resistor R28, and one end of the buzzer BUZ is connected to one end of the capacitor C7.
  6. 6. The control circuit for a coffee machine according to claim 1, wherein one end of the resistor R1 is connected to one end of the light emitting diode LED1, one end of the resistor R2 is connected to one end of the light emitting diode LED2, one end of the resistor R3 is connected to one end of the light emitting diode LED3, one end of the resistor R4 is connected to one end of the light emitting diode LED4, one end of the resistor R5 is connected to one end of the light emitting diode LED5, one end of the resistor R6 is connected to one end of the light emitting diode LED6, one end of the resistor R7 is connected to one end of the light emitting diode LED7, one end of the resistor R8 is connected to one end of the light emitting diode LED8, one end of the resistor R9 is connected to one end of the light emitting diode LED9, and one end of the resistor R10 is connected to one end of the light emitting diode LED 10.
  7. 7. The control circuit for a coffee machine according to claim 1, wherein one end of the light emitting diode LED-RGB is connected with one end of the resistor R11, the middle part of the light emitting diode LED-RGB is connected with one end of the resistor R12, and the other end of the light emitting diode LED-RGB is connected with one end of the resistor R13.

Description

Control circuit for coffee machine Technical Field The utility model relates to the technical field of coffee machines, in particular to a control circuit for a coffee machine. Background In the fast-paced life of the present day, coffee becomes an indispensable part of daily life of a plurality of people, and the coffee can be not only a refreshing and restoring consciousness assistant, but also a symbolized woolen of life style. Along with the increasing popularity of coffee culture, more and more people begin focusing on the quality and making process of coffee, and the coffee machine provides a way for making coffee rapidly for us, and a cup of fresh coffee can be shared in a short time by simple operations such as adding coffee beans and pressing a button, so that compared with the traditional making ways such as hand brewing, pressing and the like, the coffee machine is more convenient and faster, and saves the time of us. However, conventional coffee machines have the following drawbacks: The traditional coffee machine can only sense and regulate the temperature of coffee prepared by the coffee machine from a single angle, so that the phenomenon of regulation and control errors easily occurs, and the requirement of people for drinking accurate temperature coffee cannot be met. Disclosure of utility model The utility model aims to provide a control circuit for a coffee machine, which solves the problems that the traditional coffee machine provided in the background art can only sense and regulate the temperature of coffee prepared by the coffee machine from a single angle, the phenomenon of regulation error easily occurs, and the requirement of people for drinking accurate temperature coffee cannot be met. In order to achieve the above purpose, the present utility model provides the following technical solutions: the control circuit for the coffee machine comprises a main control circuit, a first interface circuit, a second interface circuit, a first temperature control circuit, a second temperature control circuit, a coffee boiling circuit, an electromagnetic valve circuit, a water pumping circuit, a buzzer circuit, a status lamp display circuit and a three-color lamp circuit, wherein the main control circuit comprises a control chip IC1, an inductor L1, a patch capacitor EC1, a resistor R2, a resistor R3, a resistor R4, a capacitor CX1, a resistor VR1, a resistor RW1, a capacitor C1, a resistor R33, a resistor R34, a patch capacitor EC2, a resistor R5 and an inductor L2, the first interface circuit comprises an interface CN1, a resistor R7 and a resistor R15, the second interface circuit comprises an interface CN2, a resistor R12, a capacitor C2 and a resistor R16, the first temperature control circuit comprises an interface CN3 and a resistor R18, the second temperature control circuit comprises an interface CN4 and a resistor R19, the coffee boiling circuit comprises a triode Q1, a resistor R10, a resistor R23, a resistor R21, a resistor R8 and a transistor TR1, the solenoid valve circuit comprises a transistor TR3, a resistor R25 and a resistor R27, the pumping circuit comprises a transistor TR4, a resistor R26 and a resistor R28, the buzzer circuit comprises a buzzer BUZ and a capacitor C7, the status lamp display circuit comprises a light emitting diode LED1, a light emitting diode LED2, a light emitting diode LED3, a light emitting diode LED4, a light emitting diode LED5, a light emitting diode LED6, a light emitting diode LED7, a light emitting diode LED8, a light emitting diode LED9, a light emitting diode LED10, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9 and a resistor R10, and the status lamp circuit comprises a resistor R11, a resistor R12, resistor R13 and light emitting diode LED-RGB. Preferably, the 7 terminal pin of the control chip IC1 is connected with one end of the inductor L1, the 6 terminal pin of the control chip IC1 and the other end of the inductor L1 are connected with one end of the chip capacitor EC1, the other end of the chip capacitor EC1 is connected with one end of the resistor R2, one end of the capacitor CX1 and one end of the resistor VR1, the other end of the resistor R2 is connected with one end of the resistor R1, the other end of the resistor R1, one end of the resistor RW1, one end of the control chip IC1 and one end of the resistor R3, the other end of the resistor R3 is connected with one end of the resistor R4, the 3 terminal pin of the control chip IC1 is connected with one end of the capacitor C1, the other end of the capacitor C1 is connected with one end of the 2 terminal pin of the control chip IC1, one end of the inductor L2 and one end of the resistor R33, the other end of the resistor R33 is connected with one end of the resistor R34 and one end pin of the 4 of the control chip IC1, the other end of the resistor R34 is connected with one end of the other end of